Journal Pre-proof Nanoparticles migration due to thermophoresis and Brownian motion and its impact on Ag-MgO/Water hybrid nanofluid natural convection Sahar Goudarzi, Masih Shekaramiz, Alireza Omidvar, Ehsan Golab, Arash Karimipour, Aliakbar Karimipour PII: S0032-5910(20)30739-7 DOI: https://doi.org/10.1016/j.powtec.2020.07.115 Reference: PTEC 15704 To appear in: Powder Technology Received date: 27 June 2020 Revised date: 27 July 2020 Accepted date: 31 July 2020 Please cite this article as: S. Goudarzi, M. Shekaramiz, A. Omidvar, et al., Nanoparticles migration due to thermophoresis and Brownian motion and its impact on Ag-MgO/Water hybrid nanofluid natural convection, Powder Technology (2020), https://doi.org/10.1016/ j.powtec.2020.07.115 This is a PDF file of an article that has undergone enhancements after acceptance, such as the addition of a cover page and metadata, and formatting for readability, but it is not yet the definitive version of record. This version will undergo additional copyediting, typesetting and review before it is published in its final form, but we are providing this version to give early visibility of the article. Please note that, during the production process, errors may be discovered which could affect the content, and all legal disclaimers that apply to the journal pertain. © 2020 Published by Elsevier.